Ich bin ein Berliner!
How many Berliners did he think we thought he was?
This is a really good thing. As the summary notes, this will teach kids logic and thinking systematically. . .
Anything that teaches kids how to identify foggy thinking (or worse, untruth) has the potential of destroying "civilization as we know it." On the whole, this may not be a bad thing, though it certainly has the potential of being even more traumatic to the world than the collapse of Communism was to eastern Europe.
Anything free is worth what you pay for it.